Spotlight
Provided by Yaroslav Ognevyuk
Yaroslav Ognevyuk is a seasoned IP and technology law expert with over 20 years of experience in safeguarding IP rights. His extensive practice covers the full breadth of IP protection, litigation strategies, and complexities of technology law, making him a trusted advisor for clients across various sectors.
Yaroslav is renowned for crafting strategic solutions to protect trademarks, industrial designs, patents, and geographical indications, while also leading efforts to combat counterfeiting and unfair competition. His deep expertise in technology law equips him to address modern challenges faced by digital businesses, such as data protection, IP management, and navigating regulatory frameworks for innovative tech startups.
With multiple advanced degrees, including an LLM in Technology Law from a leading Baltic university, Yaroslav combines academic excellence with practical insights into technological regulation, offering clients unparalleled legal expertise.
International Trademark Association (INTA); member of Anticounterfeiting Committee 2024-2025
International Association for the Protection of Intellectual Property (AIPPI) member of Ukrainian Group
Member of the International Bar Association (IBA)
Member of the European Communities Trademark Association (ECTA)
Board Member of the Ukrainian Bar Association (2023-2025)
Member of the National Attorneys Association of Ukraine
Member of the Kyiv Bar Association
Member of the European Legal Tech Association (ELTA)
Provided by Chambers
10 items provided by AMBASSADORS Law Firm
Sayenko Kharenko has successfully defended the interests of LLC “Starlink” in a dispute
The dispute was initiated by the American company Space Exploration Technologies Corp, which requested that the court prematurely terminate the validity of Ukraine’s certificate for the registered trademark “STARLINK”
Sayenko Kharenko defended Société BIC in the dispute with the Ukrainian IP Office
Sayenko Kharenko’s attorneys provided comprehensive legal support to Société BIC. The case strengthens Sayenko Kharenko’s expertise in sophisticated trademark cases concerning the protection of IP rights to non-conventional trademarks.
Sayenko Kharenko defended Société BIC in the dispute with the Ukrainian IP Office
Sayenko Kharenko’s attorneys provided comprehensive legal support to Société BIC. The case strengthens Sayenko Kharenko’s expertise in sophisticated trademark cases concerning the protection of IP rights to non-conventional trademarks.
Sayenko Kharenko defended Société BIC in the dispute with the Ukrainian IP Office
Sayenko Kharenko’s attorneys provided comprehensive legal support to Société BIC. The case strengthens Sayenko Kharenko’s expertise in sophisticated trademark cases concerning the protection of IP rights to non-conventional trademarks.
Sayenko Kharenko has successfully defended the rights of the well-known hemostatic agent inventors
Sayenko Kharenko intellectual property practice defended the rights of the inventors of the hemostatic agent “Krovospas”.
Sayenko Kharenko successfully defended Sistema Prosecco in the Supreme Court
Sistema Prosecco obtained a favourable decision on Prosecco Geographical Indication (GI) in the Supreme Court in Ukraine. This is a landmark case in the world of intellectual property rights and unfair competition.
Sayenko Kharenko has defended the interests of Ukrainian scientists-inventors
Sayenko Kharenko’s intellectual property practice team has successfully defended the interests of Ukrainian scientists-inventors and obtained in court the collection of royalties in the total amount of several UAH millions in the clients’ favor.
Sayenko Kharenko successfully defended interests of Bayer in the Supreme Court of Ukraine
The Intellectual property team of Sayenko Kharenko has successfully defended the interests of the world-famous German pharmaceutical manufacturer Bayer AG (Bayer) in the Supreme Court.
Sayenko Kharenko successfully represented Scotch whisky producers against unfair competition
The IP practice attorneys of Sayenko Kharenko have defended the rights of Scotch whisky producers in a court case brought by a Ukrainian beverage producer challenging an Antimonopoly Committee of Ukraine (AMCU) decision.
Sayenko Kharenko successfully protects the rights of Oschadbank before the Supreme Court
Sayenko Kharenko has successfully protected the rights of the Public Joint Stock Company “State Savings Bank of Ukraine” (Oschadbank) before the Supreme Court. The case related to claims by Oschadbank against a number of co-defendants and a foreign bank for protection of the right to a trademark
Sayenko Kharenko has successfully defended the interests of LLC “Starlink” in a dispute
The dispute was initiated by the American company Space Exploration Technologies Corp, which requested that the court prematurely terminate the validity of Ukraine’s certificate for the registered trademark “STARLINK”
Sayenko Kharenko defended Société BIC in the dispute with the Ukrainian IP Office
Sayenko Kharenko’s attorneys provided comprehensive legal support to Société BIC. The case strengthens Sayenko Kharenko’s expertise in sophisticated trademark cases concerning the protection of IP rights to non-conventional trademarks.
Sayenko Kharenko defended Société BIC in the dispute with the Ukrainian IP Office
Sayenko Kharenko’s attorneys provided comprehensive legal support to Société BIC. The case strengthens Sayenko Kharenko’s expertise in sophisticated trademark cases concerning the protection of IP rights to non-conventional trademarks.
Sayenko Kharenko defended Société BIC in the dispute with the Ukrainian IP Office
Sayenko Kharenko’s attorneys provided comprehensive legal support to Société BIC. The case strengthens Sayenko Kharenko’s expertise in sophisticated trademark cases concerning the protection of IP rights to non-conventional trademarks.
Sayenko Kharenko has successfully defended the rights of the well-known hemostatic agent inventors
Sayenko Kharenko intellectual property practice defended the rights of the inventors of the hemostatic agent “Krovospas”.
Sayenko Kharenko successfully defended Sistema Prosecco in the Supreme Court
Sistema Prosecco obtained a favourable decision on Prosecco Geographical Indication (GI) in the Supreme Court in Ukraine. This is a landmark case in the world of intellectual property rights and unfair competition.
Sayenko Kharenko has defended the interests of Ukrainian scientists-inventors
Sayenko Kharenko’s intellectual property practice team has successfully defended the interests of Ukrainian scientists-inventors and obtained in court the collection of royalties in the total amount of several UAH millions in the clients’ favor.
Sayenko Kharenko successfully defended interests of Bayer in the Supreme Court of Ukraine
The Intellectual property team of Sayenko Kharenko has successfully defended the interests of the world-famous German pharmaceutical manufacturer Bayer AG (Bayer) in the Supreme Court.
Sayenko Kharenko successfully represented Scotch whisky producers against unfair competition
The IP practice attorneys of Sayenko Kharenko have defended the rights of Scotch whisky producers in a court case brought by a Ukrainian beverage producer challenging an Antimonopoly Committee of Ukraine (AMCU) decision.
Sayenko Kharenko successfully protects the rights of Oschadbank before the Supreme Court
Sayenko Kharenko has successfully protected the rights of the Public Joint Stock Company “State Savings Bank of Ukraine” (Oschadbank) before the Supreme Court. The case related to claims by Oschadbank against a number of co-defendants and a foreign bank for protection of the right to a trademark